Hosny Younes

• Alexandria University

Background Alfalfa mosaic virus (AMV) is an important virus affecting many vegetable crops in Egypt. In this study, virus isolates were collected from naturally infected potato, tomato, alfalfa and clover plants that showed suspected symptoms of AMV in different locations of Beheira and Alexandria governorates during the 2019–2020 growing season. T...

Cowpea plants naturally infected with cowpea mosaic comovirus (CPMV) showed different mosaic, mottle, dwarfing, and vain clearing symptoms. Diseased plants were collected from certain locations of Alexandria and El-Beheira governorates during the growing seasons from 2011 to 2012. CPMV was detected in infected sap at 8 to 24 days after inoculation...

Changes in the agricultural landscape, crop management, crop intensification, introduction of foreign plant material via increased trade and climate change favor the emergence of infectious diseases of plants. Plant viruses, as causal agents of diseases, can have significant and devastating impacts on many cultivated crops worldwide. Potato (Solanu...

Tomato mosaic virus (ToMV) was isolated from naturally infected tomato plants showing mosaic syptoms. Identification was carried out according to the reactions of diagnostic hosts, stability in sap, UV absorption spectrum and electron microscopy of the purified virus. Antiserum against ToMV was prepared. Titer of the prepared antiserum was 1: 4096...